Home / 11,257.99-15,535.40-6,474.74

Finding the Fourth Proportional to 11,257.99, 15,535.40 and 6,474.74

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Solution

The fourth proportional to 11,257.99, 15,535.40 and 6,474.74 is: 8,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.99 : 15,535.40 = 6,474.74 : x
  2. Step 2: Convert to fraction form
    11,257.99/15,535.40 = 6,474.74/x
  3. Step 3: Cross multiply
    11,257.99x = 15,535.40 × 6,474.74
  4. Step 4: Simplify right side
    11,257.99x = 100,587,565.75
  5. Step 5: Solve for x
    x = 100,587,565.75/11,257.99
  6. Step 6: Final answer
    x = 8,934.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.